Patents by Inventor Ralph R. Royce

Ralph R. Royce has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4889643
    Abstract: A detergent-compatible, dryer-released, quench cooled fabric softening composition prepared by quench cooling molten fabric softener on a cooling device, preferably a moving cooled belt.
    Type: Grant
    Filed: May 5, 1988
    Date of Patent: December 26, 1989
    Assignee: The Procter & Gamble Company
    Inventors: Ralph R. Royce, Bernard K. Kremer, Paul D. Bisio